From the moment the flames shot 100 feet into the air, the 41 Action News investigators were on the scene and asking tough questions about the events leading up to the deadly blast.

41 Action News broke every major development of the ongoing story: the lack of an approved city permit for the contractor; the official cause of the explosion; changes to the fire department's natural gas policy; and the first lawsuits filed by JJ's restaurant employees and by the family of the woman killed in the explosion.

"This could have just been a just another story about a deadly explosion, but our investigative team kept digging to uncover all the angles on what led to the tragedy. They kept asking "why" until new systems were created to try and prevent future problems. With only a dozen or so duPont awards given annually, we are thrilled to be recognized," Carrie Hofmann, KSHB-TV News Director, said.